1984 Toyota Supra recalls & complaints
Source: NHTSA, updated daily. Last checked 2026-10-21. Recalls apply to specific VINs — run your VIN to confirm.
2 safety recalls, most serious first
1. Electrical system
What's wrong, in plain English: Wiring, modules, batteries. Short circuits can cause stalls or fires. VOLTAGE REGULATOR WHICH CONTROLS THE AMOUNT OF FLOW IN THE ELECTRICAL SYSTEM BETWEEN THE BATTERY AND THE ALTERNATOR, MAY HAVE MANUFACTURING ERRORS IN AN INTEGRATED CIRCUIT. THE REGULATOR MAY OVERCHARGE THE BATTERY.
What could happen:
The fix: DEALER WILL REPLACE THE VOLTAGE REGULATOR AT NO CHARGE.
What to do
- Check whether your car is affected: enter your 17-digit VIN at nhtsa.gov/recalls. A recall covers specific VINs, not every 1984 SUPRA.
- Book a repair at any authorized Toyota dealer. Quote NHTSA campaign 83V133000.
- The repair is free. By US law, safety recall repairs cost the owner nothing, no matter the car's age or mileage.
- Buying this car used? Ask the seller for proof the recall was completed, or run the VIN yourself before paying.
Official wording from NHTSA
Component: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
Summary: VOLTAGE REGULATOR WHICH CONTROLS THE AMOUNT OF FLOW IN THE ELECTRICAL SYSTEM BETWEEN THE BATTERY AND THE ALTERNATOR, MAY HAVE MANUFACTURING ERRORS IN AN INTEGRATED CIRCUIT. THE REGULATOR MAY OVERCHARGE THE BATTERY.
Consequence:
Remedy: DEALER WILL REPLACE THE VOLTAGE REGULATOR AT NO CHARGE.
Notes: VEHICLE DESCRIPTION: PASSENGER VEHICLES.SYSTEM: ELECTRICAL; VOLTAGE REGULATOR.CONSEQUENCES OF DEFECT: OVERCHARGING CAN DAMAGE THE BATTERY AND MAY RESULT INLOSS OF ELECTRICAL POWER WITHOUT WARNING. LOSS OF LIGHTS AND ENGINE IGNITIONCOULD RESULT IN LOSS OF VEHICLE CONTROL AND A POSSIBLE ACCIDENT.
2. Engine
What's wrong, in plain English: Engine problems range from stalling to fire. OIL PRESSURE SENDER GAUGE MAY BE DEFECTIVE. CONTINUED ENGINE OPERATION UNDER HIGH TEMPERATURE AND HIGH PRESSURE MAY CAUSE THE SENDING UNIT TO LEAK OIL OR MAY CAUSE THE ENGINE TO LOCK UP.
What could happen:
The fix: REPLACEMENT OF THE OIL SENDER GAUGE WITHOUT COST TO THE OWNER.
What to do
- Check whether your car is affected: enter your 17-digit VIN at nhtsa.gov/recalls. A recall covers specific VINs, not every 1984 SUPRA.
- Book a repair at any authorized Toyota dealer. Quote NHTSA campaign 84V108000.
- The repair is free. By US law, safety recall repairs cost the owner nothing, no matter the car's age or mileage.
- Buying this car used? Ask the seller for proof the recall was completed, or run the VIN yourself before paying.
Official wording from NHTSA
Component: ENGINE AND ENGINE COOLING:ENGINE
Summary: OIL PRESSURE SENDER GAUGE MAY BE DEFECTIVE. CONTINUED ENGINE OPERATION UNDER HIGH TEMPERATURE AND HIGH PRESSURE MAY CAUSE THE SENDING UNIT TO LEAK OIL OR MAY CAUSE THE ENGINE TO LOCK UP.
Consequence:
Remedy: REPLACEMENT OF THE OIL SENDER GAUGE WITHOUT COST TO THE OWNER.
Notes: VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 5M-GE ENGINES AND ANALOGINSTRUMENT PANELS WITH OIL PRESSURE GAUGE (NOT A WARNING LIGHT).SYSTEM: ENGINE; OIL PRESSURE SENDER GAUGE.CONSEQUENCES OF DEFECT: EITHER CONDITION COULD OCCUR WITHOUT PRIOR WARNING, ANDLOSS OF VEHICLE CONTROL AND AN ACCIDENT COULD RESULT.
Useful for owners
- OBD2 code reader — see what the car's computer is reporting
- Portable jump starter
- 1984 Toyota Supra owner's manual
Owner complaints filed with NHTSA
Most complained-about parts: Brakes (1), Hydraulic (1).
Complaints are unverified reports from owners. A pattern (many complaints about the same part) matters more than any single one.
Read recent complaints (1)
06/16/1999 · Brakes
WHILE DRIVING FRONT BRAKE DISC ROTORS BROKE COMPLETELY OFF. DEALER HAS BEEN CONTACTED.